<template>
  <el-aside :width="$store.state.isCollapse ? '180px' : '64px'">
    <el-menu background-color="#545c64"
             text-color="#fff"
             :collapse="!$store.state.isCollapse"
             :collapse-transition="false"
    >
      <h3>{{ !$store.state.isCollapse ? '后台' : '后台管理' }}</h3>
      <el-menu-item :index="item.path"
                    v-for="item in noChildren()"
                    :key="item.path"
                    @click="clickMenu(item)"
      >
        <component class="icons" :is="item.icon"></component>
        <span>{{ item.label }}</span>
      </el-menu-item>

      <el-sub-menu :index="item.path"
                   v-for="item in hasChildren()"
                   :key="item.path"
      >
        <i class="el-icon-menu"></i>
        <template #title>
          <component class="icons" :is="item.icon"></component>
          <span>{{ item.label }}</span>
        </template>
        <el-menu-item-group>
          <el-menu-item :index="subItem.path"
                        v-for="(subItem,subIndex) in item.children"
                        :key="subIndex"
                        @click="clickMenu(subItem)"
          >
            <component class="icons" :is="subItem.icon"></component>
            <span>{{ subItem.label }}</span>
          </el-menu-item>
        </el-menu-item-group>
      </el-sub-menu>
    </el-menu>

  </el-aside>

</template>

<script setup>
import {useRouter} from 'vue-router'
import {useStore} from "vuex";


const router = useRouter();
const store = useStore();


const list = [
  {
    path: '/home',
    name: 'home',
    label: '首页',
    icon: 'house',
    url: 'home/Home'
  },
  {
    path: "/user",
    name: "user",
    label: "用户管理",
    icon: "user",
    url: 'user/User'
  },
  {
    label: "其他",
    icon: "location",
    path: "/other",
    children: [
      {
        path: "/page1",
        name: "page1",
        label: "页面1",
        icon: "setting",
        url: 'Page1'
      },
      {
        path: "/page2",
        name: "page2",
        label: "页面2",
        icon: "setting",
        url: 'Page2'
      },
    ],
  },
];

const asyncList = store.state.menu;

const noChildren = () => {
   return  list.filter((item) => !item.children);
};

const hasChildren = () => {
  return  list.filter((item) => item.children);
};


const clickMenu = (item) => {
  router.push({
    name: item.name,
  });
  // vuex 来管理
  store.commit("selectMenu", item);
}
</script>

<style lang="less" scoped>
.icons {
  width: 18px;
  height: 18px;
}

.el-menu {
  border-right: none;

  h3 {
    line-height: 48px;
    color: #fff;
    text-align: center;
  }
}
</style>
